IM-P405-39 AB Issue 1
7
Data to be edited is always displayed on the bottom right of the screen. Pressing the
button will enter new data. Pressing the and buttons will scroll through the available
data and the previously entered selection will flash.
In run (normal) mode, the display is divided into four main sections:
- Current time.
- Information line / Date.
- Timer information.
- Recovery time.
Operating parameters are selected using a software menu.
2.3 Information line details (in priority order)
Alarm:
- 'TEST ALM' - the operator is testing the alarm relay. The relay is either energised (OFF) or
de-energised (ON) for 5 minutes. See the commissioning mode TEST-OUTPUT-ALARM
menu.
- 'ALARM' - an error or fault has occurred. See details in the error screen in run mode and
Section 9, 'Fault finding'.
Bottom blowdown valve (BB):
- 'TEST BB' - the operator is testing the blowdown relay. The relay is either energised (ON)
or de-energised (OFF) for 5 minutes. See the commissioning mode TEST-OUTPUT-VALVE
menu.
- 'MAN OFF' - the timer is switched off. e.g. manual override. The timer will ignore all
pre-recorded times. See the commissioning MODE-OFF menu.
- 'MAN OPEN' - the valve has been opened continuously. e.g. manual override. See the
commissioning MODE-ON menu.
- 'DELAYED' - a blowdown is overdue but cannot occur until the RECOVERY TIMER
elapses.
- 'BLOWDOWN' - a timed blowdown is occurring. i.e. the valve is open.
Fig. 2 Graphic display
Another timer is blowing down
or
Recovery timer:
Indicates the time before
another blowdown can safely
occur, because the blowdown
vessel is still cooling down.
Features only available on linked
BT1000 or BT1050 timers.
Time
Information line / Date
Timer information
Which timer is to time-out next:
Timer number
Day
Time
SecondsIndicates an error or alarm
